/* ESP32C3 WiFi Driver Implementation */

#include "wifi.h"
#include <stdint.h>
#include <stdio.h>
#include <string.h>

/* WiFi status */
static wifi_status_t g_wifi_status = WIFI_STATUS_IDLE;

/* WiFi event handler */
static wifi_event_handler_t g_wifi_event_handler = NULL;

/* WiFi registers base address */
#define WIFI_BASE_ADDR 0x60011000

/* WiFi registers definition */
typedef struct {
    /* TODO: Define actual WiFi registers */
    uint32_t dummy[100];
} wifi_reg_t;

#define WIFI ((wifi_reg_t *)WIFI_BASE_ADDR)

/* WiFi initialization */
void wifi_init(void)
{
    printf("Initializing WiFi...\n");
    
    /* TODO: Implement actual WiFi initialization */
    
    g_wifi_status = WIFI_STATUS_IDLE;
    
    printf("WiFi initialized\n");
}

/* Set WiFi mode */
int wifi_set_mode(wifi_mode_t mode)
{
    if (mode >= WIFI_MODE_APSTA) {
        return -1;
    }
    
    /* TODO: Implement actual mode setting */
    
    printf("WiFi mode set to %d\n", mode);
    
    return 0;
}

/* Connect to WiFi AP */
int wifi_sta_connect(wifi_sta_config_t *config)
{
    if (config == NULL) {
        return -1;
    }
    
    printf("Connecting to WiFi AP: %s\n", config->ssid);
    
    /* Update status */
    g_wifi_status = WIFI_STATUS_CONNECTING;
    
    /* TODO: Implement actual AP connection */
    
    /* Simulate connection */
    g_wifi_status = WIFI_STATUS_CONNECTED;
    
    /* Notify event handler */
    if (g_wifi_event_handler != NULL) {
        g_wifi_event_handler(g_wifi_status, NULL);
    }
    
    printf("Connected to WiFi AP: %s\n", config->ssid);
    
    return 0;
}

/* Disconnect from WiFi AP */
int wifi_sta_disconnect(void)
{
    printf("Disconnecting from WiFi AP\n");
    
    /* Update status */
    g_wifi_status = WIFI_STATUS_DISCONNECTED;
    
    /* TODO: Implement actual disconnection */
    
    /* Notify event handler */
    if (g_wifi_event_handler != NULL) {
        g_wifi_event_handler(g_wifi_status, NULL);
    }
    
    return 0;
}

/* Start WiFi AP */
int wifi_ap_start(wifi_ap_config_t *config)
{
    if (config == NULL) {
        return -1;
    }
    
    printf("Starting WiFi AP: %s\n", config->ssid);
    
    /* Update status */
    g_wifi_status = WIFI_STATUS_AP_STARTED;
    
    /* TODO: Implement actual AP start */
    
    /* Notify event handler */
    if (g_wifi_event_handler != NULL) {
        g_wifi_event_handler(g_wifi_status, NULL);
    }
    
    printf("WiFi AP started: %s\n", config->ssid);
    
    return 0;
}

/* Stop WiFi AP */
int wifi_ap_stop(void)
{
    printf("Stopping WiFi AP\n");
    
    /* Update status */
    g_wifi_status = WIFI_STATUS_AP_STOPPED;
    
    /* TODO: Implement actual AP stop */
    
    /* Notify event handler */
    if (g_wifi_event_handler != NULL) {
        g_wifi_event_handler(g_wifi_status, NULL);
    }
    
    return 0;
}

/* Get WiFi status */
wifi_status_t wifi_get_status(void)
{
    return g_wifi_status;
}

/* Register WiFi event handler */
void wifi_register_event_handler(wifi_event_handler_t handler)
{
    g_wifi_event_handler = handler;
    printf("WiFi event handler registered\n");
}
